Home / 2,730.20-4,094.97-975.12

Finding the Fourth Proportional to 2,730.20, 4,094.97 and 975.12

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Solution

The fourth proportional to 2,730.20, 4,094.97 and 975.12 is: 1,462.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,730.20 : 4,094.97 = 975.12 : x
  2. Step 2: Convert to fraction form
    2,730.20/4,094.97 = 975.12/x
  3. Step 3: Cross multiply
    2,730.20x = 4,094.97 × 975.12
  4. Step 4: Simplify right side
    2,730.20x = 3,993,087.15
  5. Step 5: Solve for x
    x = 3,993,087.15/2,730.20
  6. Step 6: Final answer
    x = 1,462.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.